USCG USCG Motor
Set 3 • Question #191 of 382
Launch Interactive Practice Room The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to __________.
A
precipitate silica from solution
B
reduce corrosion in the heating coil
✓ Correct Answer
C
prevent clogging and erosion in the coil
D
maintain zero water hardness
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to', the correct operational principle is: 'reduce corrosion in the heating coil'.
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